Irkutsk September Weather

Averages and records for weather in Irkutsk, Russia in the month of September.
Typical Irkutsk September Weather
1991–2020
Average daily high 16.0 °C
Average daily low 4.5 °C
Average monthly precipitation 5.2 cm
Daily chance of precipitation 38.5%
Irkutsk September Weather Records
1882–2024
Highest temperature 29.7 °C September 13, 2015
Lowest temperature -11.9 °C September 27, 1922
Highest daily low 14.3 °C September 1, 2001
Lowest daily high -0.4 °C September 30, 1896
Hottest average high temperature 19.6 °C 1966
Coldest average high temperature 12.2 °C 1890
Most daily precipitation 6.0 cm September 6, 1945
Most monthly precipitation 14.0 cm 1945
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°C) Record (°C)
High Low High Low
September 1 19.7 8.1 28.4 -3.1
September 2 19.4 7.9 26.5 -2.5
September 3 19.2 7.6 27.1 -3.5
September 4 18.9 7.4 28.1 -1.4
September 5 18.7 7.1 27.7 -1.2
September 6 18.5 6.8 28.3 -3.5
September 7 18.3 6.6 25.2 -4.3
September 8 18.1 6.4 25.8 -2.9
September 9 17.9 6.1 26.7 -2.8
September 10 17.6 5.9 28.1 -3.8
September 11 17.3 5.6 25.6 -4.4
September 12 17.0 5.4 29.0 -5.4
September 13 16.8 5.1 29.7 -3.8
September 14 16.5 4.9 25.2 -5.9
September 15 16.2 4.6 24.5 -7.9
September 16 15.9 4.3 26.5 -6.4
September 17 15.5 4.0 25.2 -10.0
September 18 15.3 3.8 26.3 -7.1
September 19 15.1 3.5 25.0 -5.5
September 20 14.9 3.3 23.5 -5.5
September 21 14.7 3.1 26.1 -7.1
September 22 14.5 2.9 26.6 -8.5
September 23 14.2 2.7 24.5 -8.0
September 24 14.0 2.6 24.6 -6.2
September 25 13.7 2.4 25.5 -7.8
September 26 13.5 2.2 25.0 -8.5
September 27 13.1 1.9 26.4 -11.9
September 28 12.8 1.6 26.6 -7.8
September 29 12.6 1.4 23.0 -9.7
September 30 12.3 1.2 25.2 -7.7
Weather Station Details
Years Station Coordinates
1882–2024 Irkutsk location